Home / 153,763,101.90-212,190,246.27-84,147,086.52

Finding the Fourth Proportional to 153,763,101.90, 212,190,246.27 and 84,147,086.52

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Solution

The fourth proportional to 153,763,101.90, 212,190,246.27 and 84,147,086.52 is: 116,121,428.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,763,101.90 : 212,190,246.27 = 84,147,086.52 : x
  2. Step 2: Convert to fraction form
    153,763,101.90/212,190,246.27 = 84,147,086.52/x
  3. Step 3: Cross multiply
    153,763,101.90x = 212,190,246.27 × 84,147,086.52
  4. Step 4: Simplify right side
    153,763,101.90x = 17,855,191,011,581,798
  5. Step 5: Solve for x
    x = 17,855,191,011,581,798/153,763,101.90
  6. Step 6: Final answer
    x = 116,121,428.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.